170727-N-AO823-181 NORFOLK (July 27, 2017) Students of the Navy's first Role 2 Light Maneuver course tour a landing craft, air cushion (LCAC) at Assault Craft Unit (ACU) 4 headquarters. The course is designed to build a mobile unit equipped to set up a functioning medical area with advanced trauma life support capabilities. (U.S. Navy photo by Mass Communication 2nd Class Michael J. Lieberknecht/Released)